I need help identifying a projectile and the possible firearm that shot it


#1

I borrowed this from a friend today. We are trying to figure out what type of gun fired this round and maybe the designation. This one measures .992" in diameter and 1.353" in length. I would assume it would be for a 1" gun of some type, possibly a swivel gun. I would also assume that it would predate the American Civil War. There are approximately 13 or 14 lands and grooves that can be seen around the base of this projectile. Does anyone have any ideas?

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